Finding the Fourth Proportional to 52,488,499.05, 78,732,748.58 and 18,397,543.05

Step by Step Solution

1. Step 1: Write the proportion equation
   52,488,499.05 : 78,732,748.58 = 18,397,543.05 : x
2. Step 2: Convert to fraction form
   52,488,499.05/78,732,748.58 = 18,397,543.05/x
3. Step 3: Cross multiply
   52,488,499.05x = 78,732,748.58 × 18,397,543.05
4. Step 4: Simplify right side
   52,488,499.05x = 1,448,489,131,353,388.75
5. Step 5: Solve for x
   x = 1,448,489,131,353,388.75/52,488,499.05
6. Step 6: Final answer
   x = 27,596,314.58