Finding the Fourth Proportional to 138,784.99, 208,173.01 and 58,801.59

Step by Step Solution

1. Step 1: Write the proportion equation
   138,784.99 : 208,173.01 = 58,801.59 : x
2. Step 2: Convert to fraction form
   138,784.99/208,173.01 = 58,801.59/x
3. Step 3: Cross multiply
   138,784.99x = 208,173.01 × 58,801.59
4. Step 4: Simplify right side
   138,784.99x = 12,240,904,356.51
5. Step 5: Solve for x
   x = 12,240,904,356.51/138,784.99
6. Step 6: Final answer
   x = 88,200.49