Finding the Fourth Proportional to 83,619, 115,381.26 and 47,810.52

Step by Step Solution

1. Step 1: Write the proportion equation
   83,619 : 115,381.26 = 47,810.52 : x
2. Step 2: Convert to fraction form
   83,619/115,381.26 = 47,810.52/x
3. Step 3: Cross multiply
   83,619x = 115,381.26 × 47,810.52
4. Step 4: Simplify right side
   83,619x = 5,516,438,038.86
5. Step 5: Solve for x
   x = 5,516,438,038.86/83,619
6. Step 6: Final answer
   x = 65,971.11