Finding the Fourth Proportional to 83,804.61, 115,633.82 and 47,012.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,804.61 : 115,633.82 = 47,012.05 : x
2. Step 2: Convert to fraction form
   83,804.61/115,633.82 = 47,012.05/x
3. Step 3: Cross multiply
   83,804.61x = 115,633.82 × 47,012.05
4. Step 4: Simplify right side
   83,804.61x = 5,436,182,810.00
5. Step 5: Solve for x
   x = 5,436,182,810.00/83,804.61
6. Step 6: Final answer
   x = 64,867.35