Finding the Fourth Proportional to 116,757,333.79, 161,128,483.74 and 64,549,732.47

Step by Step Solution

1. Step 1: Write the proportion equation
   116,757,333.79 : 161,128,483.74 = 64,549,732.47 : x
2. Step 2: Convert to fraction form
   116,757,333.79/161,128,483.74 = 64,549,732.47/x
3. Step 3: Cross multiply
   116,757,333.79x = 161,128,483.74 × 64,549,732.47
4. Step 4: Simplify right side
   116,757,333.79x = 10,400,800,518,713,746
5. Step 5: Solve for x
   x = 10,400,800,518,713,746/116,757,333.79
6. Step 6: Final answer
   x = 89,080,490.12