Finding the Fourth Proportional to 56,689,809.50, 78,234,414.54 and 31,911,595.22

Step by Step Solution

1. Step 1: Write the proportion equation
   56,689,809.50 : 78,234,414.54 = 31,911,595.22 : x
2. Step 2: Convert to fraction form
   56,689,809.50/78,234,414.54 = 31,911,595.22/x
3. Step 3: Cross multiply
   56,689,809.50x = 78,234,414.54 × 31,911,595.22
4. Step 4: Simplify right side
   56,689,809.50x = 2,496,584,969,074,162.50
5. Step 5: Solve for x
   x = 2,496,584,969,074,162.50/56,689,809.50
6. Step 6: Final answer
   x = 44,039,395.99