Finding the Fourth Proportional to 83,655.48, 115,428.34 and 47,837.89

Step by Step Solution

1. Step 1: Write the proportion equation
   83,655.48 : 115,428.34 = 47,837.89 : x
2. Step 2: Convert to fraction form
   83,655.48/115,428.34 = 47,837.89/x
3. Step 3: Cross multiply
   83,655.48x = 115,428.34 × 47,837.89
4. Step 4: Simplify right side
   83,655.48x = 5,521,848,435.89
5. Step 5: Solve for x
   x = 5,521,848,435.89/83,655.48
6. Step 6: Final answer
   x = 66,007.01