Finding the Fourth Proportional to 152,964, 211,101.12 and 85,896

Step by Step Solution

1. Step 1: Write the proportion equation
   152,964 : 211,101.12 = 85,896 : x
2. Step 2: Convert to fraction form
   152,964/211,101.12 = 85,896/x
3. Step 3: Cross multiply
   152,964x = 211,101.12 × 85,896
4. Step 4: Simplify right side
   152,964x = 18,132,741,803.52
5. Step 5: Solve for x
   x = 18,132,741,803.52/152,964
6. Step 6: Final answer
   x = 118,542.54