Finding the Fourth Proportional to 101,293.32, 139,654.86 and 69,406.86

Step by Step Solution

1. Step 1: Write the proportion equation
   101,293.32 : 139,654.86 = 69,406.86 : x
2. Step 2: Convert to fraction form
   101,293.32/139,654.86 = 69,406.86/x
3. Step 3: Cross multiply
   101,293.32x = 139,654.86 × 69,406.86
4. Step 4: Simplify right side
   101,293.32x = 9,693,005,316.34
5. Step 5: Solve for x
   x = 9,693,005,316.34/101,293.32
6. Step 6: Final answer
   x = 95,692.44