Finding the Fourth Proportional to 37,904.02, 52,312.06 and 21,989.00

Step by Step Solution

1. Step 1: Write the proportion equation
   37,904.02 : 52,312.06 = 21,989.00 : x
2. Step 2: Convert to fraction form
   37,904.02/52,312.06 = 21,989.00/x
3. Step 3: Cross multiply
   37,904.02x = 52,312.06 × 21,989.00
4. Step 4: Simplify right side
   37,904.02x = 1,150,290,045.61
5. Step 5: Solve for x
   x = 1,150,290,045.61/37,904.02
6. Step 6: Final answer
   x = 30,347.44