Finding the Fourth Proportional to 103,666,900.17, 143,059,471.89 and 56,624,003.62

Step by Step Solution

1. Step 1: Write the proportion equation
   103,666,900.17 : 143,059,471.89 = 56,624,003.62 : x
2. Step 2: Convert to fraction form
   103,666,900.17/143,059,471.89 = 56,624,003.62/x
3. Step 3: Cross multiply
   103,666,900.17x = 143,059,471.89 × 56,624,003.62
4. Step 4: Simplify right side
   103,666,900.17x = 8,100,600,054,887,276
5. Step 5: Solve for x
   x = 8,100,600,054,887,276/103,666,900.17
6. Step 6: Final answer
   x = 78,140,660.53