Finding the Fourth Proportional to 93,459,105.72, 139,959,733.14 and 77,185,492.92

Step by Step Solution

1. Step 1: Write the proportion equation
   93,459,105.72 : 139,959,733.14 = 77,185,492.92 : x
2. Step 2: Convert to fraction form
   93,459,105.72/139,959,733.14 = 77,185,492.92/x
3. Step 3: Cross multiply
   93,459,105.72x = 139,959,733.14 × 77,185,492.92
4. Step 4: Simplify right side
   93,459,105.72x = 10,802,860,991,362,558
5. Step 5: Solve for x
   x = 10,802,860,991,362,558/93,459,105.72
6. Step 6: Final answer
   x = 115,589,175.69