Finding the Fourth Proportional to 58,023, 86,899.53 and 56,426.70

Step by Step Solution

1. Step 1: Write the proportion equation
   58,023 : 86,899.53 = 56,426.70 : x
2. Step 2: Convert to fraction form
   58,023/86,899.53 = 56,426.70/x
3. Step 3: Cross multiply
   58,023x = 86,899.53 × 56,426.70
4. Step 4: Simplify right side
   58,023x = 4,903,453,709.45
5. Step 5: Solve for x
   x = 4,903,453,709.45/58,023
6. Step 6: Final answer
   x = 84,508.79