Finding the Fourth Proportional to 148,897.71, 205,479.72 and 80,915.22

Step by Step Solution

1. Step 1: Write the proportion equation
   148,897.71 : 205,479.72 = 80,915.22 : x
2. Step 2: Convert to fraction form
   148,897.71/205,479.72 = 80,915.22/x
3. Step 3: Cross multiply
   148,897.71x = 205,479.72 × 80,915.22
4. Step 4: Simplify right side
   148,897.71x = 16,626,436,749.34
5. Step 5: Solve for x
   x = 16,626,436,749.34/148,897.71
6. Step 6: Final answer
   x = 111,663.48