Finding the Fourth Proportional to 23,485,216,167.60, 32,409,603,601.56 and 12,924,420,615.60

Step by Step Solution

1. Step 1: Write the proportion equation
   23,485,216,167.60 : 32,409,603,601.56 = 12,924,420,615.60 : x
2. Step 2: Convert to fraction form
   23,485,216,167.60/32,409,603,601.56 = 12,924,420,615.60/x
3. Step 3: Cross multiply
   23,485,216,167.60x = 32,409,603,601.56 × 12,924,420,615.60
4. Step 4: Simplify right side
   23,485,216,167.60x = 418,875,348,931,426,123,776
5. Step 5: Solve for x
   x = 418,875,348,931,426,123,776/23,485,216,167.60
6. Step 6: Final answer
   x = 17,835,703,360.88