Finding the Fourth Proportional to 93,870.53, 140,814.43 and 30,690.98

Step by Step Solution

1. Step 1: Write the proportion equation
   93,870.53 : 140,814.43 = 30,690.98 : x
2. Step 2: Convert to fraction form
   93,870.53/140,814.43 = 30,690.98/x
3. Step 3: Cross multiply
   93,870.53x = 140,814.43 × 30,690.98
4. Step 4: Simplify right side
   93,870.53x = 4,321,733,130.15
5. Step 5: Solve for x
   x = 4,321,733,130.15/93,870.53
6. Step 6: Final answer
   x = 46,039.30