Finding the Fourth Proportional to 119,699,404.51, 165,185,103.59 and 64,695,261.01

Step by Step Solution

1. Step 1: Write the proportion equation
   119,699,404.51 : 165,185,103.59 = 64,695,261.01 : x
2. Step 2: Convert to fraction form
   119,699,404.51/165,185,103.59 = 64,695,261.01/x
3. Step 3: Cross multiply
   119,699,404.51x = 165,185,103.59 × 64,695,261.01
4. Step 4: Simplify right side
   119,699,404.51x = 10,686,693,391,718,938
5. Step 5: Solve for x
   x = 10,686,693,391,718,938/119,699,404.51
6. Step 6: Final answer
   x = 89,279,419.86