Finding the Fourth Proportional to 104,100.90, 143,656.02 and 58,778.16

Step by Step Solution

1. Step 1: Write the proportion equation
   104,100.90 : 143,656.02 = 58,778.16 : x
2. Step 2: Convert to fraction form
   104,100.90/143,656.02 = 58,778.16/x
3. Step 3: Cross multiply
   104,100.90x = 143,656.02 × 58,778.16
4. Step 4: Simplify right side
   104,100.90x = 8,443,836,528.52
5. Step 5: Solve for x
   x = 8,443,836,528.52/104,100.90
6. Step 6: Final answer
   x = 81,112.04