Finding the Fourth Proportional to 36,978.32, 51,030.10 and 21,064.26

Step by Step Solution

1. Step 1: Write the proportion equation
   36,978.32 : 51,030.10 = 21,064.26 : x
2. Step 2: Convert to fraction form
   36,978.32/51,030.10 = 21,064.26/x
3. Step 3: Cross multiply
   36,978.32x = 51,030.10 × 21,064.26
4. Step 4: Simplify right side
   36,978.32x = 1,074,911,294.23
5. Step 5: Solve for x
   x = 1,074,911,294.23/36,978.32
6. Step 6: Final answer
   x = 29,068.69