Finding the Fourth Proportional to 116,537,009.79, 160,821,089.25 and 64,326,055.31

Step by Step Solution

1. Step 1: Write the proportion equation
   116,537,009.79 : 160,821,089.25 = 64,326,055.31 : x
2. Step 2: Convert to fraction form
   116,537,009.79/160,821,089.25 = 64,326,055.31/x
3. Step 3: Cross multiply
   116,537,009.79x = 160,821,089.25 × 64,326,055.31
4. Step 4: Simplify right side
   116,537,009.79x = 10,344,986,281,305,840
5. Step 5: Solve for x
   x = 10,344,986,281,305,840/116,537,009.79
6. Step 6: Final answer
   x = 88,769,965.01