Finding the Fourth Proportional to 208,068,300.84, 287,131,966.84 and 112,696,436.86

Step by Step Solution

1. Step 1: Write the proportion equation
   208,068,300.84 : 287,131,966.84 = 112,696,436.86 : x
2. Step 2: Convert to fraction form
   208,068,300.84/287,131,966.84 = 112,696,436.86/x
3. Step 3: Cross multiply
   208,068,300.84x = 287,131,966.84 × 112,696,436.86
4. Step 4: Simplify right side
   208,068,300.84x = 32,358,749,571,471,672
5. Step 5: Solve for x
   x = 32,358,749,571,471,672/208,068,300.84
6. Step 6: Final answer
   x = 155,519,843.44