Finding the Fourth Proportional to 37,731.06, 52,068.86 and 20,964.06

Step by Step Solution

1. Step 1: Write the proportion equation
   37,731.06 : 52,068.86 = 20,964.06 : x
2. Step 2: Convert to fraction form
   37,731.06/52,068.86 = 20,964.06/x
3. Step 3: Cross multiply
   37,731.06x = 52,068.86 × 20,964.06
4. Step 4: Simplify right side
   37,731.06x = 1,091,574,705.17
5. Step 5: Solve for x
   x = 1,091,574,705.17/37,731.06
6. Step 6: Final answer
   x = 28,930.40