Finding the Fourth Proportional to 42,265.06, 63,373.89 and 28,953.10

Step by Step Solution

1. Step 1: Write the proportion equation
   42,265.06 : 63,373.89 = 28,953.10 : x
2. Step 2: Convert to fraction form
   42,265.06/63,373.89 = 28,953.10/x
3. Step 3: Cross multiply
   42,265.06x = 63,373.89 × 28,953.10
4. Step 4: Simplify right side
   42,265.06x = 1,834,870,574.56
5. Step 5: Solve for x
   x = 1,834,870,574.56/42,265.06
6. Step 6: Final answer
   x = 43,413.41