Finding the Fourth Proportional to 62,985, 86,919.30 and 34,690.69

Step by Step Solution

1. Step 1: Write the proportion equation
   62,985 : 86,919.30 = 34,690.69 : x
2. Step 2: Convert to fraction form
   62,985/86,919.30 = 34,690.69/x
3. Step 3: Cross multiply
   62,985x = 86,919.30 × 34,690.69
4. Step 4: Simplify right side
   62,985x = 3,015,290,274.02
5. Step 5: Solve for x
   x = 3,015,290,274.02/62,985
6. Step 6: Final answer
   x = 47,873.15