Finding the Fourth Proportional to 119,699,415.27, 165,185,118.42 and 64,695,271.77

Step by Step Solution

1. Step 1: Write the proportion equation
   119,699,415.27 : 165,185,118.42 = 64,695,271.77 : x
2. Step 2: Convert to fraction form
   119,699,415.27/165,185,118.42 = 64,695,271.77/x
3. Step 3: Cross multiply
   119,699,415.27x = 165,185,118.42 × 64,695,271.77
4. Step 4: Simplify right side
   119,699,415.27x = 10,686,696,128,541,532
5. Step 5: Solve for x
   x = 10,686,696,128,541,532/119,699,415.27
6. Step 6: Final answer
   x = 89,279,434.69