Finding the Fourth Proportional to 77,493,321.50, 106,940,789.46 and 42,686,011.92

Step by Step Solution

1. Step 1: Write the proportion equation
   77,493,321.50 : 106,940,789.46 = 42,686,011.92 : x
2. Step 2: Convert to fraction form
   77,493,321.50/106,940,789.46 = 42,686,011.92/x
3. Step 3: Cross multiply
   77,493,321.50x = 106,940,789.46 × 42,686,011.92
4. Step 4: Simplify right side
   77,493,321.50x = 4,564,875,813,623,770
5. Step 5: Solve for x
   x = 4,564,875,813,623,770/77,493,321.50
6. Step 6: Final answer
   x = 58,906,699.64