Finding the Fourth Proportional to 338,711.00, 508,100.51 and 89,393.00

Step by Step Solution

1. Step 1: Write the proportion equation
   338,711.00 : 508,100.51 = 89,393.00 : x
2. Step 2: Convert to fraction form
   338,711.00/508,100.51 = 89,393.00/x
3. Step 3: Cross multiply
   338,711.00x = 508,100.51 × 89,393.00
4. Step 4: Simplify right side
   338,711.00x = 45,420,626,573.41
5. Step 5: Solve for x
   x = 45,420,626,573.41/338,711.00
6. Step 6: Final answer
   x = 134,098.47