Finding the Fourth Proportional to 83,410.63, 124,802.04 and 58,499.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,410.63 : 124,802.04 = 58,499.30 : x
2. Step 2: Convert to fraction form
   83,410.63/124,802.04 = 58,499.30/x
3. Step 3: Cross multiply
   83,410.63x = 124,802.04 × 58,499.30
4. Step 4: Simplify right side
   83,410.63x = 7,300,831,978.57
5. Step 5: Solve for x
   x = 7,300,831,978.57/83,410.63
6. Step 6: Final answer
   x = 87,528.80