Finding the Fourth Proportional to 103,196,405.84, 142,409,238.04 and 56,151,892.24

Step by Step Solution

1. Step 1: Write the proportion equation
   103,196,405.84 : 142,409,238.04 = 56,151,892.24 : x
2. Step 2: Convert to fraction form
   103,196,405.84/142,409,238.04 = 56,151,892.24/x
3. Step 3: Cross multiply
   103,196,405.84x = 142,409,238.04 × 56,151,892.24
4. Step 4: Simplify right side
   103,196,405.84x = 7,996,548,188,116,755
5. Step 5: Solve for x
   x = 7,996,548,188,116,755/103,196,405.84
6. Step 6: Final answer
   x = 77,488,630.77