Finding the Fourth Proportional to 116,357,613.51, 160,574,743.91 and 64,148,517.36

Step by Step Solution

1. Step 1: Write the proportion equation
   116,357,613.51 : 160,574,743.91 = 64,148,517.36 : x
2. Step 2: Convert to fraction form
   116,357,613.51/160,574,743.91 = 64,148,517.36/x
3. Step 3: Cross multiply
   116,357,613.51x = 160,574,743.91 × 64,148,517.36
4. Step 4: Simplify right side
   116,357,613.51x = 10,300,631,747,288,188
5. Step 5: Solve for x
   x = 10,300,631,747,288,188/116,357,613.51
6. Step 6: Final answer
   x = 88,525,636.07