Finding the Fourth Proportional to 66,498.33, 91,801.15 and 42,323.62

Step by Step Solution

1. Step 1: Write the proportion equation
   66,498.33 : 91,801.15 = 42,323.62 : x
2. Step 2: Convert to fraction form
   66,498.33/91,801.15 = 42,323.62/x
3. Step 3: Cross multiply
   66,498.33x = 91,801.15 × 42,323.62
4. Step 4: Simplify right side
   66,498.33x = 3,885,356,988.16
5. Step 5: Solve for x
   x = 3,885,356,988.16/66,498.33
6. Step 6: Final answer
   x = 58,427.89