Finding the Fourth Proportional to 101,053,639.61, 139,454,856.72 and 55,791,842.99

Step by Step Solution

1. Step 1: Write the proportion equation
   101,053,639.61 : 139,454,856.72 = 55,791,842.99 : x
2. Step 2: Convert to fraction form
   101,053,639.61/139,454,856.72 = 55,791,842.99/x
3. Step 3: Cross multiply
   101,053,639.61x = 139,454,856.72 × 55,791,842.99
4. Step 4: Simplify right side
   101,053,639.61x = 7,780,443,470,315,187
5. Step 5: Solve for x
   x = 7,780,443,470,315,187/101,053,639.61
6. Step 6: Final answer
   x = 76,993,203.81