Finding the Fourth Proportional to 61,633, 85,228.50 and 58,848.22

Step by Step Solution

1. Step 1: Write the proportion equation
   61,633 : 85,228.50 = 58,848.22 : x
2. Step 2: Convert to fraction form
   61,633/85,228.50 = 58,848.22/x
3. Step 3: Cross multiply
   61,633x = 85,228.50 × 58,848.22
4. Step 4: Simplify right side
   61,633x = 5,015,545,518.27
5. Step 5: Solve for x
   x = 5,015,545,518.27/61,633
6. Step 6: Final answer
   x = 81,377.60