Finding the Fourth Proportional to 316,530,431.16, 436,814,559.72 and 175,404,008.91

Step by Step Solution

1. Step 1: Write the proportion equation
   316,530,431.16 : 436,814,559.72 = 175,404,008.91 : x
2. Step 2: Convert to fraction form
   316,530,431.16/436,814,559.72 = 175,404,008.91/x
3. Step 3: Cross multiply
   316,530,431.16x = 436,814,559.72 × 175,404,008.91
4. Step 4: Simplify right side
   316,530,431.16x = 76,619,024,925,144,608
5. Step 5: Solve for x
   x = 76,619,024,925,144,608/316,530,431.16
6. Step 6: Final answer
   x = 242,058,953.52