Finding the Fourth Proportional to 116,195,488.68, 160,337,583.68 and 65,943,704.72

Step by Step Solution

1. Step 1: Write the proportion equation
   116,195,488.68 : 160,337,583.68 = 65,943,704.72 : x
2. Step 2: Convert to fraction form
   116,195,488.68/160,337,583.68 = 65,943,704.72/x
3. Step 3: Cross multiply
   116,195,488.68x = 160,337,583.68 × 65,943,704.72
4. Step 4: Simplify right side
   116,195,488.68x = 10,573,254,273,712,212
5. Step 5: Solve for x
   x = 10,573,254,273,712,212/116,195,488.68
6. Step 6: Final answer
   x = 90,995,394.00