Finding the Fourth Proportional to 78,898.50, 118,406.07 and 37,345.50

Step by Step Solution

1. Step 1: Write the proportion equation
   78,898.50 : 118,406.07 = 37,345.50 : x
2. Step 2: Convert to fraction form
   78,898.50/118,406.07 = 37,345.50/x
3. Step 3: Cross multiply
   78,898.50x = 118,406.07 × 37,345.50
4. Step 4: Simplify right side
   78,898.50x = 4,421,933,887.19
5. Step 5: Solve for x
   x = 4,421,933,887.19/78,898.50
6. Step 6: Final answer
   x = 56,045.85