Finding the Fourth Proportional to 34,152.06, 51,260.10 and 21,030.06

Step by Step Solution

1. Step 1: Write the proportion equation
   34,152.06 : 51,260.10 = 21,030.06 : x
2. Step 2: Convert to fraction form
   34,152.06/51,260.10 = 21,030.06/x
3. Step 3: Cross multiply
   34,152.06x = 51,260.10 × 21,030.06
4. Step 4: Simplify right side
   34,152.06x = 1,078,002,978.61
5. Step 5: Solve for x
   x = 1,078,002,978.61/34,152.06
6. Step 6: Final answer
   x = 31,564.80