Finding the Fourth Proportional to 58,062.33, 86,611.35 and 56,118.72

Step by Step Solution

1. Step 1: Write the proportion equation
   58,062.33 : 86,611.35 = 56,118.72 : x
2. Step 2: Convert to fraction form
   58,062.33/86,611.35 = 56,118.72/x
3. Step 3: Cross multiply
   58,062.33x = 86,611.35 × 56,118.72
4. Step 4: Simplify right side
   58,062.33x = 4,860,518,099.47
5. Step 5: Solve for x
   x = 4,860,518,099.47/58,062.33
6. Step 6: Final answer
   x = 83,712.07