Finding the Fourth Proportional to 21,789,111.60, 32,599,686.60 and 14,230,839.60

Step by Step Solution

1. Step 1: Write the proportion equation
   21,789,111.60 : 32,599,686.60 = 14,230,839.60 : x
2. Step 2: Convert to fraction form
   21,789,111.60/32,599,686.60 = 14,230,839.60/x
3. Step 3: Cross multiply
   21,789,111.60x = 32,599,686.60 × 14,230,839.60
4. Step 4: Simplify right side
   21,789,111.60x = 463,920,911,014,869.38
5. Step 5: Solve for x
   x = 463,920,911,014,869.38/21,789,111.60
6. Step 6: Final answer
   x = 21,291,410.11