Finding the Fourth Proportional to 112,422.61, 155,152.04 and 64,026.58

Step by Step Solution

1. Step 1: Write the proportion equation
   112,422.61 : 155,152.04 = 64,026.58 : x
2. Step 2: Convert to fraction form
   112,422.61/155,152.04 = 64,026.58/x
3. Step 3: Cross multiply
   112,422.61x = 155,152.04 × 64,026.58
4. Step 4: Simplify right side
   112,422.61x = 9,933,854,501.22
5. Step 5: Solve for x
   x = 9,933,854,501.22/112,422.61
6. Step 6: Final answer
   x = 88,361.72