Finding the Fourth Proportional to 607,631.99, 910,855.59 and 242,784.86

Step by Step Solution

1. Step 1: Write the proportion equation
   607,631.99 : 910,855.59 = 242,784.86 : x
2. Step 2: Convert to fraction form
   607,631.99/910,855.59 = 242,784.86/x
3. Step 3: Cross multiply
   607,631.99x = 910,855.59 × 242,784.86
4. Step 4: Simplify right side
   607,631.99x = 221,141,946,898.37
5. Step 5: Solve for x
   x = 221,141,946,898.37/607,631.99
6. Step 6: Final answer
   x = 363,940.59