Finding the Fourth Proportional to 9,030.31, 12,462.32 and 5,051.79

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.31 : 12,462.32 = 5,051.79 : x
2. Step 2: Convert to fraction form
   9,030.31/12,462.32 = 5,051.79/x
3. Step 3: Cross multiply
   9,030.31x = 12,462.32 × 5,051.79
4. Step 4: Simplify right side
   9,030.31x = 62,957,036.18
5. Step 5: Solve for x
   x = 62,957,036.18/9,030.31
6. Step 6: Final answer
   x = 6,971.75