Finding the Fourth Proportional to 101,916.58, 152,719.01 and 42,719.98

Step by Step Solution

1. Step 1: Write the proportion equation
   101,916.58 : 152,719.01 = 42,719.98 : x
2. Step 2: Convert to fraction form
   101,916.58/152,719.01 = 42,719.98/x
3. Step 3: Cross multiply
   101,916.58x = 152,719.01 × 42,719.98
4. Step 4: Simplify right side
   101,916.58x = 6,524,153,052.82
5. Step 5: Solve for x
   x = 6,524,153,052.82/101,916.58
6. Step 6: Final answer
   x = 64,014.64