Finding the Fourth Proportional to 53,990.32, 74,501.98 and 34,870.94

Step by Step Solution

1. Step 1: Write the proportion equation
   53,990.32 : 74,501.98 = 34,870.94 : x
2. Step 2: Convert to fraction form
   53,990.32/74,501.98 = 34,870.94/x
3. Step 3: Cross multiply
   53,990.32x = 74,501.98 × 34,870.94
4. Step 4: Simplify right side
   53,990.32x = 2,597,954,074.46
5. Step 5: Solve for x
   x = 2,597,954,074.46/53,990.32
6. Step 6: Final answer
   x = 48,118.89