Finding the Fourth Proportional to 90,470.98, 124,768.25 and 56,482.62

Step by Step Solution

1. Step 1: Write the proportion equation
   90,470.98 : 124,768.25 = 56,482.62 : x
2. Step 2: Convert to fraction form
   90,470.98/124,768.25 = 56,482.62/x
3. Step 3: Cross multiply
   90,470.98x = 124,768.25 × 56,482.62
4. Step 4: Simplify right side
   90,470.98x = 7,047,237,114.33
5. Step 5: Solve for x
   x = 7,047,237,114.33/90,470.98
6. Step 6: Final answer
   x = 77,895.01