Finding the Fourth Proportional to 139,968,333.30, 209,952,499.95 and 49,059,117.30

Step by Step Solution

1. Step 1: Write the proportion equation
   139,968,333.30 : 209,952,499.95 = 49,059,117.30 : x
2. Step 2: Convert to fraction form
   139,968,333.30/209,952,499.95 = 49,059,117.30/x
3. Step 3: Cross multiply
   139,968,333.30x = 209,952,499.95 × 49,059,117.30
4. Step 4: Simplify right side
   139,968,333.30x = 10,300,084,322,475,292
5. Step 5: Solve for x
   x = 10,300,084,322,475,292/139,968,333.30
6. Step 6: Final answer
   x = 73,588,675.95