Finding the Fourth Proportional to 155,454, 214,526.52 and 88,386

Step by Step Solution

1. Step 1: Write the proportion equation
   155,454 : 214,526.52 = 88,386 : x
2. Step 2: Convert to fraction form
   155,454/214,526.52 = 88,386/x
3. Step 3: Cross multiply
   155,454x = 214,526.52 × 88,386
4. Step 4: Simplify right side
   155,454x = 18,961,140,996.72
5. Step 5: Solve for x
   x = 18,961,140,996.72/155,454
6. Step 6: Final answer
   x = 121,972.68