Finding the Fourth Proportional to 139,642,730.10, 209,558,573.55 and 62,926,269.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,642,730.10 : 209,558,573.55 = 62,926,269.30 : x
2. Step 2: Convert to fraction form
   139,642,730.10/209,558,573.55 = 62,926,269.30/x
3. Step 3: Cross multiply
   139,642,730.10x = 209,558,573.55 × 62,926,269.30
4. Step 4: Simplify right side
   139,642,730.10x = 13,186,739,233,331,158
5. Step 5: Solve for x
   x = 13,186,739,233,331,158/139,642,730.10
6. Step 6: Final answer
   x = 94,431,978.12