Finding the Fourth Proportional to 106,111.56, 146,433.90 and 58,368.12

Step by Step Solution

1. Step 1: Write the proportion equation
   106,111.56 : 146,433.90 = 58,368.12 : x
2. Step 2: Convert to fraction form
   106,111.56/146,433.90 = 58,368.12/x
3. Step 3: Cross multiply
   106,111.56x = 146,433.90 × 58,368.12
4. Step 4: Simplify right side
   106,111.56x = 8,547,071,447.27
5. Step 5: Solve for x
   x = 8,547,071,447.27/106,111.56
6. Step 6: Final answer
   x = 80,547.98