Finding the Fourth Proportional to 42,360,118.24, 63,529,679.76 and 12,068,243.68

Step by Step Solution

1. Step 1: Write the proportion equation
   42,360,118.24 : 63,529,679.76 = 12,068,243.68 : x
2. Step 2: Convert to fraction form
   42,360,118.24/63,529,679.76 = 12,068,243.68/x
3. Step 3: Cross multiply
   42,360,118.24x = 63,529,679.76 × 12,068,243.68
4. Step 4: Simplify right side
   42,360,118.24x = 766,691,656,256,043.88
5. Step 5: Solve for x
   x = 766,691,656,256,043.88/42,360,118.24
6. Step 6: Final answer
   x = 18,099,374.79