Finding the Fourth Proportional to 42,089.98, 58,106.01 and 30,746.74

Step by Step Solution

1. Step 1: Write the proportion equation
   42,089.98 : 58,106.01 = 30,746.74 : x
2. Step 2: Convert to fraction form
   42,089.98/58,106.01 = 30,746.74/x
3. Step 3: Cross multiply
   42,089.98x = 58,106.01 × 30,746.74
4. Step 4: Simplify right side
   42,089.98x = 1,786,570,381.91
5. Step 5: Solve for x
   x = 1,786,570,381.91/42,089.98
6. Step 6: Final answer
   x = 42,446.45