Finding the Fourth Proportional to 39,870.33, 59,741.64 and 30,498.99

Step by Step Solution

1. Step 1: Write the proportion equation
   39,870.33 : 59,741.64 = 30,498.99 : x
2. Step 2: Convert to fraction form
   39,870.33/59,741.64 = 30,498.99/x
3. Step 3: Cross multiply
   39,870.33x = 59,741.64 × 30,498.99
4. Step 4: Simplify right side
   39,870.33x = 1,822,059,680.94
5. Step 5: Solve for x
   x = 1,822,059,680.94/39,870.33
6. Step 6: Final answer
   x = 45,699.64