Finding the Fourth Proportional to 1,094,308.84, 1,510,152.42 and 641,607.40

Step by Step Solution

1. Step 1: Write the proportion equation
   1,094,308.84 : 1,510,152.42 = 641,607.40 : x
2. Step 2: Convert to fraction form
   1,094,308.84/1,510,152.42 = 641,607.40/x
3. Step 3: Cross multiply
   1,094,308.84x = 1,510,152.42 × 641,607.40
4. Step 4: Simplify right side
   1,094,308.84x = 968,924,967,799.91
5. Step 5: Solve for x
   x = 968,924,967,799.91/1,094,308.84
6. Step 6: Final answer
   x = 885,421.86