Finding the Fourth Proportional to 147,897.30, 204,140.15 and 87,488.94

Step by Step Solution

1. Step 1: Write the proportion equation
   147,897.30 : 204,140.15 = 87,488.94 : x
2. Step 2: Convert to fraction form
   147,897.30/204,140.15 = 87,488.94/x
3. Step 3: Cross multiply
   147,897.30x = 204,140.15 × 87,488.94
4. Step 4: Simplify right side
   147,897.30x = 17,860,005,334.94
5. Step 5: Solve for x
   x = 17,860,005,334.94/147,897.30
6. Step 6: Final answer
   x = 120,759.51