Finding the Fourth Proportional to 72,215,428.71, 99,657,291.62 and 41,276,262.29

Step by Step Solution

1. Step 1: Write the proportion equation
   72,215,428.71 : 99,657,291.62 = 41,276,262.29 : x
2. Step 2: Convert to fraction form
   72,215,428.71/99,657,291.62 = 41,276,262.29/x
3. Step 3: Cross multiply
   72,215,428.71x = 99,657,291.62 × 41,276,262.29
4. Step 4: Simplify right side
   72,215,428.71x = 4,113,480,508,018,139
5. Step 5: Solve for x
   x = 4,113,480,508,018,139/72,215,428.71
6. Step 6: Final answer
   x = 56,961,241.96