Finding the Fourth Proportional to 1,075,438.42, 1,484,123.72 and 616,627.69

Step by Step Solution

1. Step 1: Write the proportion equation
   1,075,438.42 : 1,484,123.72 = 616,627.69 : x
2. Step 2: Convert to fraction form
   1,075,438.42/1,484,123.72 = 616,627.69/x
3. Step 3: Cross multiply
   1,075,438.42x = 1,484,123.72 × 616,627.69
4. Step 4: Simplify right side
   1,075,438.42x = 915,151,774,344.36
5. Step 5: Solve for x
   x = 915,151,774,344.36/1,075,438.42
6. Step 6: Final answer
   x = 850,956.93