Finding the Fourth Proportional to 108,973.42, 163,417.47 and 42,404.74

Step by Step Solution

1. Step 1: Write the proportion equation
   108,973.42 : 163,417.47 = 42,404.74 : x
2. Step 2: Convert to fraction form
   108,973.42/163,417.47 = 42,404.74/x
3. Step 3: Cross multiply
   108,973.42x = 163,417.47 × 42,404.74
4. Step 4: Simplify right side
   108,973.42x = 6,929,675,326.81
5. Step 5: Solve for x
   x = 6,929,675,326.81/108,973.42
6. Step 6: Final answer
   x = 63,590.51