Finding the Fourth Proportional to 89,210.58, 123,046.32 and 57,349.02

Step by Step Solution

1. Step 1: Write the proportion equation
   89,210.58 : 123,046.32 = 57,349.02 : x
2. Step 2: Convert to fraction form
   89,210.58/123,046.32 = 57,349.02/x
3. Step 3: Cross multiply
   89,210.58x = 123,046.32 × 57,349.02
4. Step 4: Simplify right side
   89,210.58x = 7,056,585,866.61
5. Step 5: Solve for x
   x = 7,056,585,866.61/89,210.58
6. Step 6: Final answer
   x = 79,100.32