Finding the Fourth Proportional to 64,221.06, 88,642.89 and 37,368.77

Step by Step Solution

1. Step 1: Write the proportion equation
   64,221.06 : 88,642.89 = 37,368.77 : x
2. Step 2: Convert to fraction form
   64,221.06/88,642.89 = 37,368.77/x
3. Step 3: Cross multiply
   64,221.06x = 88,642.89 × 37,368.77
4. Step 4: Simplify right side
   64,221.06x = 3,312,475,990.15
5. Step 5: Solve for x
   x = 3,312,475,990.15/64,221.06
6. Step 6: Final answer
   x = 51,579.28