Finding the Fourth Proportional to 112,602, 155,397.96 and 64,854.30

Step by Step Solution

1. Step 1: Write the proportion equation
   112,602 : 155,397.96 = 64,854.30 : x
2. Step 2: Convert to fraction form
   112,602/155,397.96 = 64,854.30/x
3. Step 3: Cross multiply
   112,602x = 155,397.96 × 64,854.30
4. Step 4: Simplify right side
   112,602x = 10,078,225,917.23
5. Step 5: Solve for x
   x = 10,078,225,917.23/112,602
6. Step 6: Final answer
   x = 89,503.08