Finding the Fourth Proportional to 53,164.51, 79,746.86 and 49,916.82

Step by Step Solution

1. Step 1: Write the proportion equation
   53,164.51 : 79,746.86 = 49,916.82 : x
2. Step 2: Convert to fraction form
   53,164.51/79,746.86 = 49,916.82/x
3. Step 3: Cross multiply
   53,164.51x = 79,746.86 × 49,916.82
4. Step 4: Simplify right side
   53,164.51x = 3,980,709,656.19
5. Step 5: Solve for x
   x = 3,980,709,656.19/53,164.51
6. Step 6: Final answer
   x = 74,875.32