Finding the Fourth Proportional to 152,384,069.42, 210,291,719.91 and 89,674,031.42

Step by Step Solution

1. Step 1: Write the proportion equation
   152,384,069.42 : 210,291,719.91 = 89,674,031.42 : x
2. Step 2: Convert to fraction form
   152,384,069.42/210,291,719.91 = 89,674,031.42/x
3. Step 3: Cross multiply
   152,384,069.42x = 210,291,719.91 × 89,674,031.42
4. Step 4: Simplify right side
   152,384,069.42x = 18,857,706,298,575,180
5. Step 5: Solve for x
   x = 18,857,706,298,575,180/152,384,069.42
6. Step 6: Final answer
   x = 123,751,166.18