Finding the Fourth Proportional to 85,434.39, 117,898.98 and 47,196.56

Step by Step Solution

1. Step 1: Write the proportion equation
   85,434.39 : 117,898.98 = 47,196.56 : x
2. Step 2: Convert to fraction form
   85,434.39/117,898.98 = 47,196.56/x
3. Step 3: Cross multiply
   85,434.39x = 117,898.98 × 47,196.56
4. Step 4: Simplify right side
   85,434.39x = 5,564,426,283.51
5. Step 5: Solve for x
   x = 5,564,426,283.51/85,434.39
6. Step 6: Final answer
   x = 65,130.99