Finding the Fourth Proportional to 116,338,538.94, 160,554,366.72 and 64,127,456.88

Step by Step Solution

1. Step 1: Write the proportion equation
   116,338,538.94 : 160,554,366.72 = 64,127,456.88 : x
2. Step 2: Convert to fraction form
   116,338,538.94/160,554,366.72 = 64,127,456.88/x
3. Step 3: Cross multiply
   116,338,538.94x = 160,554,366.72 × 64,127,456.88
4. Step 4: Simplify right side
   116,338,538.94x = 10,295,943,228,732,508
5. Step 5: Solve for x
   x = 10,295,943,228,732,508/116,338,538.94
6. Step 6: Final answer
   x = 88,499,849.86