Finding the Fourth Proportional to 146,521.47, 219,773.71 and 56,546.59

Step by Step Solution

1. Step 1: Write the proportion equation
   146,521.47 : 219,773.71 = 56,546.59 : x
2. Step 2: Convert to fraction form
   146,521.47/219,773.71 = 56,546.59/x
3. Step 3: Cross multiply
   146,521.47x = 219,773.71 × 56,546.59
4. Step 4: Simplify right side
   146,521.47x = 12,427,453,181.35
5. Step 5: Solve for x
   x = 12,427,453,181.35/146,521.47
6. Step 6: Final answer
   x = 84,816.60