Finding the Fourth Proportional to 112,376.31, 155,084.01 and 64,629.69

Step by Step Solution

1. Step 1: Write the proportion equation
   112,376.31 : 155,084.01 = 64,629.69 : x
2. Step 2: Convert to fraction form
   112,376.31/155,084.01 = 64,629.69/x
3. Step 3: Cross multiply
   112,376.31x = 155,084.01 × 64,629.69
4. Step 4: Simplify right side
   112,376.31x = 10,023,030,666.33
5. Step 5: Solve for x
   x = 10,023,030,666.33/112,376.31
6. Step 6: Final answer
   x = 89,191.67