Finding the Fourth Proportional to 116,352,784.36, 160,567,328.46 and 64,140,674.50

Step by Step Solution

1. Step 1: Write the proportion equation
   116,352,784.36 : 160,567,328.46 = 64,140,674.50 : x
2. Step 2: Convert to fraction form
   116,352,784.36/160,567,328.46 = 64,140,674.50/x
3. Step 3: Cross multiply
   116,352,784.36x = 160,567,328.46 × 64,140,674.50
4. Step 4: Simplify right side
   116,352,784.36x = 10,298,896,750,087,446
5. Step 5: Solve for x
   x = 10,298,896,750,087,446/116,352,784.36
6. Step 6: Final answer
   x = 88,514,398.75