Finding the Fourth Proportional to 76,935,709.46, 106,171,101.81 and 42,128,095.43

Step by Step Solution

1. Step 1: Write the proportion equation
   76,935,709.46 : 106,171,101.81 = 42,128,095.43 : x
2. Step 2: Convert to fraction form
   76,935,709.46/106,171,101.81 = 42,128,095.43/x
3. Step 3: Cross multiply
   76,935,709.46x = 106,171,101.81 × 42,128,095.43
4. Step 4: Simplify right side
   76,935,709.46x = 4,472,786,309,225,353.50
5. Step 5: Solve for x
   x = 4,472,786,309,225,353.50/76,935,709.46
6. Step 6: Final answer
   x = 58,136,674.64