Finding the Fourth Proportional to 93,461.68, 139,477.28 and 83,488.96

Step by Step Solution

1. Step 1: Write the proportion equation
   93,461.68 : 139,477.28 = 83,488.96 : x
2. Step 2: Convert to fraction form
   93,461.68/139,477.28 = 83,488.96/x
3. Step 3: Cross multiply
   93,461.68x = 139,477.28 × 83,488.96
4. Step 4: Simplify right side
   93,461.68x = 11,644,813,050.83
5. Step 5: Solve for x
   x = 11,644,813,050.83/93,461.68
6. Step 6: Final answer
   x = 124,594.52