Finding the Fourth Proportional to 140,685,517.61, 194,156,784.83 and 88,519,269.05

Step by Step Solution

1. Step 1: Write the proportion equation
   140,685,517.61 : 194,156,784.83 = 88,519,269.05 : x
2. Step 2: Convert to fraction form
   140,685,517.61/194,156,784.83 = 88,519,269.05/x
3. Step 3: Cross multiply
   140,685,517.61x = 194,156,784.83 × 88,519,269.05
4. Step 4: Simplify right side
   140,685,517.61x = 17,186,616,674,249,730
5. Step 5: Solve for x
   x = 17,186,616,674,249,730/140,685,517.61
6. Step 6: Final answer
   x = 122,163,368.10