Finding the Fourth Proportional to 104,499.32, 144,209.34 and 56,753.48

Step by Step Solution

1. Step 1: Write the proportion equation
   104,499.32 : 144,209.34 = 56,753.48 : x
2. Step 2: Convert to fraction form
   104,499.32/144,209.34 = 56,753.48/x
3. Step 3: Cross multiply
   104,499.32x = 144,209.34 × 56,753.48
4. Step 4: Simplify right side
   104,499.32x = 8,184,381,893.50
5. Step 5: Solve for x
   x = 8,184,381,893.50/104,499.32
6. Step 6: Final answer
   x = 78,319.95