Finding the Fourth Proportional to 52,844, 72,925.04 and 28,970.72

Step by Step Solution

1. Step 1: Write the proportion equation
   52,844 : 72,925.04 = 28,970.72 : x
2. Step 2: Convert to fraction form
   52,844/72,925.04 = 28,970.72/x
3. Step 3: Cross multiply
   52,844x = 72,925.04 × 28,970.72
4. Step 4: Simplify right side
   52,844x = 2,112,690,914.83
5. Step 5: Solve for x
   x = 2,112,690,914.83/52,844
6. Step 6: Final answer
   x = 39,979.77