Finding the Fourth Proportional to 57,982,947.12, 86,785,164.96 and 42,626,168.46

Step by Step Solution

1. Step 1: Write the proportion equation
   57,982,947.12 : 86,785,164.96 = 42,626,168.46 : x
2. Step 2: Convert to fraction form
   57,982,947.12/86,785,164.96 = 42,626,168.46/x
3. Step 3: Cross multiply
   57,982,947.12x = 86,785,164.96 × 42,626,168.46
4. Step 4: Simplify right side
   57,982,947.12x = 3,699,319,061,413,849
5. Step 5: Solve for x
   x = 3,699,319,061,413,849/57,982,947.12
6. Step 6: Final answer
   x = 63,800,121.33