Finding the Fourth Proportional to 72,260.33, 99,705.86 and 42,034.62

Step by Step Solution

1. Step 1: Write the proportion equation
   72,260.33 : 99,705.86 = 42,034.62 : x
2. Step 2: Convert to fraction form
   72,260.33/99,705.86 = 42,034.62/x
3. Step 3: Cross multiply
   72,260.33x = 99,705.86 × 42,034.62
4. Step 4: Simplify right side
   72,260.33x = 4,191,097,726.70
5. Step 5: Solve for x
   x = 4,191,097,726.70/72,260.33
6. Step 6: Final answer
   x = 57,999.98