Finding the Fourth Proportional to 761,499.84, 1,141,954.52 and 406,320.12

Step by Step Solution

1. Step 1: Write the proportion equation
   761,499.84 : 1,141,954.52 = 406,320.12 : x
2. Step 2: Convert to fraction form
   761,499.84/1,141,954.52 = 406,320.12/x
3. Step 3: Cross multiply
   761,499.84x = 1,141,954.52 × 406,320.12
4. Step 4: Simplify right side
   761,499.84x = 463,999,095,569.34
5. Step 5: Solve for x
   x = 463,999,095,569.34/761,499.84
6. Step 6: Final answer
   x = 609,322.64