Finding the Fourth Proportional to 201,696,732.88, 278,334,142.89 and 112,384,062.42

Step by Step Solution

1. Step 1: Write the proportion equation
   201,696,732.88 : 278,334,142.89 = 112,384,062.42 : x
2. Step 2: Convert to fraction form
   201,696,732.88/278,334,142.89 = 112,384,062.42/x
3. Step 3: Cross multiply
   201,696,732.88x = 278,334,142.89 × 112,384,062.42
4. Step 4: Simplify right side
   201,696,732.88x = 31,280,321,688,166,960
5. Step 5: Solve for x
   x = 31,280,321,688,166,960/201,696,732.88
6. Step 6: Final answer
   x = 155,085,911.62