Finding the Fourth Proportional to 61,483.72, 84,790.74 and 45,607.72

Step by Step Solution

1. Step 1: Write the proportion equation
   61,483.72 : 84,790.74 = 45,607.72 : x
2. Step 2: Convert to fraction form
   61,483.72/84,790.74 = 45,607.72/x
3. Step 3: Cross multiply
   61,483.72x = 84,790.74 × 45,607.72
4. Step 4: Simplify right side
   61,483.72x = 3,867,112,328.51
5. Step 5: Solve for x
   x = 3,867,112,328.51/61,483.72
6. Step 6: Final answer
   x = 62,896.52