Finding the Fourth Proportional to 148,139,440.62, 204,503,315.67 and 98,662,152.30

Step by Step Solution

1. Step 1: Write the proportion equation
   148,139,440.62 : 204,503,315.67 = 98,662,152.30 : x
2. Step 2: Convert to fraction form
   148,139,440.62/204,503,315.67 = 98,662,152.30/x
3. Step 3: Cross multiply
   148,139,440.62x = 204,503,315.67 × 98,662,152.30
4. Step 4: Simplify right side
   148,139,440.62x = 20,176,737,276,488,516
5. Step 5: Solve for x
   x = 20,176,737,276,488,516/148,139,440.62
6. Step 6: Final answer
   x = 136,200,981.94