Finding the Fourth Proportional to 101,030.32, 139,363.98 and 63,238.96

Step by Step Solution

1. Step 1: Write the proportion equation
   101,030.32 : 139,363.98 = 63,238.96 : x
2. Step 2: Convert to fraction form
   101,030.32/139,363.98 = 63,238.96/x
3. Step 3: Cross multiply
   101,030.32x = 139,363.98 × 63,238.96
4. Step 4: Simplify right side
   101,030.32x = 8,813,233,156.66
5. Step 5: Solve for x
   x = 8,813,233,156.66/101,030.32
6. Step 6: Final answer
   x = 87,233.55