Finding the Fourth Proportional to 103,690.01, 143,092.50 and 58,368.69

Step by Step Solution

1. Step 1: Write the proportion equation
   103,690.01 : 143,092.50 = 58,368.69 : x
2. Step 2: Convert to fraction form
   103,690.01/143,092.50 = 58,368.69/x
3. Step 3: Cross multiply
   103,690.01x = 143,092.50 × 58,368.69
4. Step 4: Simplify right side
   103,690.01x = 8,352,121,773.83
5. Step 5: Solve for x
   x = 8,352,121,773.83/103,690.01
6. Step 6: Final answer
   x = 80,548.95