Finding the Fourth Proportional to 9,899.94, 14,848.47 and 3,742.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,899.94 : 14,848.47 = 3,742.50 : x
2. Step 2: Convert to fraction form
   9,899.94/14,848.47 = 3,742.50/x
3. Step 3: Cross multiply
   9,899.94x = 14,848.47 × 3,742.50
4. Step 4: Simplify right side
   9,899.94x = 55,570,398.98
5. Step 5: Solve for x
   x = 55,570,398.98/9,899.94
6. Step 6: Final answer
   x = 5,613.21