Finding the Fourth Proportional to 301,820.81, 452,729.59 and 77,180.87

Step by Step Solution

1. Step 1: Write the proportion equation
   301,820.81 : 452,729.59 = 77,180.87 : x
2. Step 2: Convert to fraction form
   301,820.81/452,729.59 = 77,180.87/x
3. Step 3: Cross multiply
   301,820.81x = 452,729.59 × 77,180.87
4. Step 4: Simplify right side
   301,820.81x = 34,942,064,569.82
5. Step 5: Solve for x
   x = 34,942,064,569.82/301,820.81
6. Step 6: Final answer
   x = 115,770.89