Finding the Fourth Proportional to 113,785, 157,030.86 and 63,485.08

Step by Step Solution

1. Step 1: Write the proportion equation
   113,785 : 157,030.86 = 63,485.08 : x
2. Step 2: Convert to fraction form
   113,785/157,030.86 = 63,485.08/x
3. Step 3: Cross multiply
   113,785x = 157,030.86 × 63,485.08
4. Step 4: Simplify right side
   113,785x = 9,969,116,709.57
5. Step 5: Solve for x
   x = 9,969,116,709.57/113,785
6. Step 6: Final answer
   x = 87,613.63