Finding the Fourth Proportional to 63,637.16, 87,783.90 and 59,131.94

Step by Step Solution

1. Step 1: Write the proportion equation
   63,637.16 : 87,783.90 = 59,131.94 : x
2. Step 2: Convert to fraction form
   63,637.16/87,783.90 = 59,131.94/x
3. Step 3: Cross multiply
   63,637.16x = 87,783.90 × 59,131.94
4. Step 4: Simplify right side
   63,637.16x = 5,190,832,307.77
5. Step 5: Solve for x
   x = 5,190,832,307.77/63,637.16
6. Step 6: Final answer
   x = 81,569.20