Finding the Fourth Proportional to 112,667.53, 155,586.58 and 72,451.17

Step by Step Solution

1. Step 1: Write the proportion equation
   112,667.53 : 155,586.58 = 72,451.17 : x
2. Step 2: Convert to fraction form
   112,667.53/155,586.58 = 72,451.17/x
3. Step 3: Cross multiply
   112,667.53x = 155,586.58 × 72,451.17
4. Step 4: Simplify right side
   112,667.53x = 11,272,429,254.40
5. Step 5: Solve for x
   x = 11,272,429,254.40/112,667.53
6. Step 6: Final answer
   x = 100,050.38