Finding the Fourth Proportional to 139,851,531.32, 209,796,441.42 and 47,710,530.39

Step by Step Solution

1. Step 1: Write the proportion equation
   139,851,531.32 : 209,796,441.42 = 47,710,530.39 : x
2. Step 2: Convert to fraction form
   139,851,531.32/209,796,441.42 = 47,710,530.39/x
3. Step 3: Cross multiply
   139,851,531.32x = 209,796,441.42 × 47,710,530.39
4. Step 4: Simplify right side
   139,851,531.32x = 10,009,499,495,047,938
5. Step 5: Solve for x
   x = 10,009,499,495,047,938/139,851,531.32
6. Step 6: Final answer
   x = 71,572,326.74