Finding the Fourth Proportional to 1,300,495.50, 1,950,753.78 and 401,934.96

Step by Step Solution

1. Step 1: Write the proportion equation
   1,300,495.50 : 1,950,753.78 = 401,934.96 : x
2. Step 2: Convert to fraction form
   1,300,495.50/1,950,753.78 = 401,934.96/x
3. Step 3: Cross multiply
   1,300,495.50x = 1,950,753.78 × 401,934.96
4. Step 4: Simplify right side
   1,300,495.50x = 784,076,142,534.15
5. Step 5: Solve for x
   x = 784,076,142,534.15/1,300,495.50
6. Step 6: Final answer
   x = 602,905.69