Finding the Fourth Proportional to 61,748.69, 85,162.47 and 37,858.55

Step by Step Solution

1. Step 1: Write the proportion equation
   61,748.69 : 85,162.47 = 37,858.55 : x
2. Step 2: Convert to fraction form
   61,748.69/85,162.47 = 37,858.55/x
3. Step 3: Cross multiply
   61,748.69x = 85,162.47 × 37,858.55
4. Step 4: Simplify right side
   61,748.69x = 3,224,127,628.62
5. Step 5: Solve for x
   x = 3,224,127,628.62/61,748.69
6. Step 6: Final answer
   x = 52,213.70